Linux kernel driver module and user application

-- (Coded with: C programming language)

this project contains Driver and User interface application:

-- test in Ubuntu OS (Linux)

Driver

-- Installation and executing:
    - Step-1: install make
        $ sudo apt-get update -y
        $ sudo apt-get install -y make

    - Step-2: execute make for build driver module
        $ cd Driver
        $ sudo make

    - Step-3: insert driver module
        $ sudo insmod char_dev.ko
        -- check driver log:
            $ sudo dmesg

    - Step-4: create node with major code number that genarate from dmesg log
        $ mknod /dev/char_dev c <major number> 0

user app

note: check your ubuntu has gcc > 7
-- Installation and executing:
    - Step-1: build user app
        $ sudo gcc userapp.c -o userapp
        $ chmod 777 userapp

    - Step-2: run app
        $ sudo ./userapp